WO2022104537A1

WO2022104537A1 - Puncture needle seat

Info

Publication number: WO2022104537A1
Application number: PCT/CN2020/129425
Authority: WO
Inventors: 苏州市立普医疗科技有限公司; 王沁
Original assignee: 苏州市立普医疗科技有限公司
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2022-05-27

Abstract

A puncture needle seat, comprising: a first connecting part (2) configured to fix a puncture needle protective sleeve, a handheld part (1), and a second connecting part (3). Two ends of the handheld part (1) are respectively connected to the first connecting part (2) and the second connecting part (3), and the handheld part (1) is integrally cylindrical. The cross section of the handheld part (1) is polygonal, and a joint between every two adjacent side surfaces of the handheld part (1) is recessed towards the center of the handheld part (1) to form a groove (11), so as to facilitate holding. By configuring the shape of the handheld part (1) to be of a cylindrical structure, medical staff can conveniently grasp and operate the device. The handheld part (1) has a recognition block capable of quickly distinguishing types of puncture needles, and effective operation time is saved.

Description

A puncture needle holder

technical field

The invention relates to the technical field of medical instruments, in particular to a puncture needle holder.

Background technique

In recent years, the puncture needle seat is a structure located on the puncture needle, thyroid needle, injection needle and drainage and extraction needle, and is mainly used to connect the needle tube, the protective sleeve and the inner needle seat. When treating the patient, the medical staff holds the hand position of the puncture needle holder to perform the puncture treatment of the relevant cause of the patient.

In the process of realizing the technical solutions in the embodiments of the present application, the inventor of the present application found that the above-mentioned technology has at least the following technical problems: because the hand-held part of the existing puncture needle holder is in a flat shape, it is inconvenient for medical staff to grasp multiple directions when grasping Holding the puncture needle holder, it is also impossible to quickly distinguish the types of puncture needles, which is easy to cause operation errors and delay the treatment time.

SUMMARY OF THE INVENTION

In view of this, the present invention proposes a puncture needle holder, which is suitable for technical fields such as thyroid puncture, drug injection, and body fluid drainage and suction guided by ultrasonic imaging equipment. In the embodiment of the present application, the hand-held part of the puncture needle holder is set as a three-dimensional structure, and grooves and concave surfaces are arranged on the three-dimensional structure that are easy to hold by hand, which is beneficial for medical staff to hold the puncture needle holder in any direction, and at the same time, the hand-held part is There is an identification block that can quickly distinguish the type of puncture needle.

The technical scheme of the present invention is realized as follows:

A puncture needle holder, comprising: a first connection part for fixing a puncture needle protective sleeve; a handle part and a second connection part; two ends of the handle part are respectively connected with the first connection part and the second connection part The parts are connected together, and the handle part is cylindrical as a whole.

Optionally, the first connecting portion is provided with an outer needle fixing hole and a glue dispensing hole into which the puncture needle is inserted.

Optionally, the first connecting portion is cylindrical, and the glue dispensing hole and the outer needle fixing hole are coaxial with the first connecting portion.

Optionally, the cross-section of the hand-held portion is polygonal, and the connection between two adjacent side surfaces of the hand-held portion is recessed toward the center of the hand-held portion to form a groove for easy hand-holding.

Optionally, a first mark for identifying the type of puncture needle is provided on the hand-held portion.

Optionally, the first identification is an identification block fixed on the side surface of the hand-held portion, and the projected shape of the identification block on the side surface corresponds to the type of puncture needle.

Optionally, a second mark for identifying the model of the puncture needle is provided on the hand-held portion.

Optionally, the second mark is a groove formed on the first mark.

Optionally, the handle portion and the second connecting portion are provided with an inner needle through hole and a luer taper hole that communicate with each other and that the inner needle of the puncture needle passes through, and the inner needle through hole and the outer needle are fixed. The holes are connected.

Optionally, the outer end of the second connecting part is provided with an external thread strip for fixing the inner needle seat of the puncture needle, the external thread strip protrudes from the outer surface of the second connecting part, and the outer thread strip is Several notches are arranged on the threaded strip at intervals, and the notches are provided with positioning bosses.

Implementing this puncture needle seat of the present invention has the following beneficial effects:

The shape of the hand-held part is set to be cylindrical as a whole, which is convenient for medical staff to grasp and operate; the hand-held part has an identification block for quickly distinguishing the types of puncture needles, so as to obtain effective operation time; the outer needle fixing hole in the first connecting part can be used for Adapt to different sizes of puncture needle outer needle models.

Description of drawings

For purposes of illustration and not limitation, the present invention will now be described in accordance with preferred embodiments thereof, particularly with reference to the accompanying drawings, wherein:

1 is a schematic diagram of the overall structure of a puncture needle holder in an embodiment of the present application;

2 is a schematic structural diagram of a hand-held portion of a puncture needle holder in an embodiment of the present application;

Fig. 3 is the shape schematic diagram of the identification block of the puncture needle seat in the embodiment of the present application;

Fig. 4a is the A-A cross-sectional schematic diagram of the puncture needle holder in the embodiment of the present application;

4b is a cross-sectional view of the puncture needle holder in the embodiment of the present application;

5 is a schematic structural diagram of the second connection portion of the puncture needle holder in the embodiment of the present application;

6 is a schematic cross-sectional view of the second connection portion of the puncture needle holder in the embodiment of the present application;

Fig. 7a is a schematic diagram showing that the projection shape of the identification block of the puncture needle holder on the hand-held part in the embodiment of the present application is a circle;

Fig. 7b is a schematic diagram showing that the projection shape of the identification block of the puncture needle holder on the hand-held part in the embodiment of the present application is a triangle;

Fig. 7c is a schematic diagram showing that the projection shape of the identification block of the puncture needle holder on the hand-held part in the embodiment of the present application is a quadrilateral;

Description of reference numerals: hand-held part 1, first connecting part 2, second connecting part 3, groove 11, first mark 12, second mark 121, dispensing hole 21, outer needle fixing hole 22, external thread strip 31 , the positioning boss 32, the luer taper hole 33, the inner needle through hole 34.

Detailed ways

In the embodiment of the present invention, as shown in Figures 1 to 7c, the puncture needle holder includes a first connecting portion 2 for fixing the puncture needle protective sleeve, a hand-held portion 1 and a second connecting portion 3; the two ends of the hand-held portion 1 are respectively connected to The first connecting part 2 and the second connecting part 3 are connected together, and the whole hand-held part 1 is cylindrical.

In this embodiment, the flat-shaped hand-held part on the market is set to have a cylindrical structure as a whole, which solves the problem that the common puncture needle seat is usually flat in shape and has a large volume, which is not conducive to medical staff to hold the puncture needle seat in multiple directions. It is difficult to distinguish the types of puncture needles, and it is easy to cause operational errors and problems affecting the treatment time when treating patients. Such a structure is convenient for medical staff to grasp in any direction; at the same time, the types of puncture needles can be quickly distinguished, and operation errors are not easily caused.

The first connecting portion 2 in the embodiment of the present application is provided with an outer needle fixing hole 22 and a glue dispensing hole 21 into which the puncture needle is inserted. The second connecting portion 3 is provided with an inner needle through hole 34 and a Luer taper hole 33 that communicate with each other and allow the inner needle of the puncture needle to pass through. The inner needle through hole 34 communicates with the outer needle fixing hole 22 .

The first connecting part 2 is cylindrical, and the glue dispensing hole 21 and the outer needle fixing hole 22 are coaxial with the first connecting part 2 . The second connecting part 3 is cylindrical, and the inner needle through hole 34 and the luer taper hole 33 are coaxial with the second connecting part 3 . It should be explained that during the production of the puncture needle, the outer needle can be inserted into the outer fixing hole through the dispensing hole in turn, and then the glue is injected into the dispensing hole to complete the fixing of the outer needle. Outer needle holder. In the stage of using the puncture needle, the inner needle can be inserted into the outer needle through the luer taper hole 33 and the inner needle through hole 34 in sequence. The inner needle through hole 34 can be provided in various types, so as to adapt to the inner needle models of puncture needles of different specifications and sizes.

The cross-sectional shape of the hand-held part 1 is a polygon, and a groove 11 is formed in the center of the hand-held part 1 at the connection of two adjacent side surfaces of the hand-held part 1 . The groove 11 is a C-shaped groove, and the shape of the groove 11 is adapted to the fingers, so that it is easy to hold.

The side surface of the hand-held part 1 is concave toward the center of the hand-held part 1 to form a concave surface, which is convenient for fingers to hold. The hand-held part 1 is provided with a first mark 12 for identifying the type of puncture needle. The first identification 12 is an identification block fixed on the side surface of the hand-held part, and the projected shape of the identification block on the hand-held part 1 is a triangle, a quadrangle or a circle. The shape of the identification block is used to correspond to different types of puncture needles, such as: triangles represent A-type needles, circles represent C-type needles, quadrilaterals represent D-type needles, etc. effective operative time.

The hand-held part 1 is provided with a second mark 121 for identifying the model of the puncture needle. The second identification 121 can be set in different colors, and the different specifications of the puncture needle can be distinguished by color, and the type of the puncture needle can be quickly distinguished by the different colors of the second identification, so as to obtain an effective operation time. The second mark 121 is a groove formed on the first mark 12 .

The outer end of the second connecting part 3 is provided with an external thread 31 for fixing the inner needle seat of the puncture needle. The external thread 31 protrudes from the outer surface of the second connecting part 3 , and the external thread 31 is provided with several There is a gap, and the gap is provided with a positioning boss 32, and the positioning boss can be arranged to more accurately and quickly install the inner needle seat of the puncture needle. Wherein, the external thread strip 31 may take the form of a double helix thread.

The above-mentioned specific embodiments do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

A puncture needle holder, characterized in that, comprising:

a first connection part for fixing the puncture needle protective sheath;

a hand-held part and a second connecting part;

Two ends of the handle portion are respectively connected with the first connection portion and the second connection portion, and the handle portion is cylindrical as a whole.
The puncture needle holder according to claim 1, wherein the first connecting portion is provided with an outer needle fixing hole and a glue dispensing hole into which the puncture needle is inserted.
The puncture needle holder according to claim 2, wherein the first connecting portion is cylindrical, and the dispensing hole and the outer needle fixing hole are coaxial with the first connecting portion.
The puncture needle holder according to claim 1, wherein the cross-section of the hand-held portion is a polygon, and the connection between two adjacent side surfaces of the hand-held portion is recessed toward the center of the hand-held portion to form a Grooves for easy grip.
The puncture needle holder according to claim 4, wherein a first mark for identifying the type of the puncture needle is provided on the handle portion.
The puncture needle holder according to claim 5, wherein the first identification is an identification block fixed on the side surface of the hand-held portion, and the projected shape of the identification block on the side surface is consistent with the type of the puncture needle correspond.
The puncture needle holder according to claim 6, wherein a second mark for identifying the model of the puncture needle is provided on the handle portion.
The puncture needle holder according to claim 7, wherein the second mark is a groove formed on the first mark.
The puncture needle holder according to claim 1, wherein the handle portion and the second connecting portion are provided with an inner needle through hole and a Luer taper hole that communicate with each other and are passed through by the inner needle of the puncture needle, The inner needle through hole communicates with the outer needle fixing hole.
The puncture needle holder according to claim 9, wherein the outer end of the second connecting portion is provided with an external thread strip for fixing the inner needle holder of the puncture needle, and the external thread strip protrudes from the first The outer surfaces of the two connecting parts are provided with a plurality of notches at intervals on the external thread strip, and positioning bosses are arranged on the notches.